Muscat: Karwa Motors, Sultanate of Oman's first bus brand with a manufacturing facility in the Special Economic Zone at Duqm (SEZAD), rolled out its first Karwa-branded bus proudly bearing the ‘Made in the Sultanate of Oman’ tag, named ‘Salam’.Karwa Motors is a joint investment project between the Sultanate of Oman and the State of Qatar, which in.